According to instrument measurements, in what years during the first half of the 20th century was the area adjacent to the Channel Islands National Marine Sanctuary exposed to extremely wet conditions (PDSI = 5 or more)?

According to instrument measurements, in how many years during the “Dust Bowl” drought (1930 - 1939) was the coast adjacent to Gray’s Reef National Marine Sanctuary exposed to lower-than-normal precipitation (PDSI less than 0)?

A new window should appear; click the box next to “Discharge, cubic feet per second,” and set the date range to “From: 1994-01” “To: 2006-12,” then click “Submit”

You should see a table of monthly streamflow beginning in 1994.

What was the maximum monthly mean streamflow recorded?

What was the minimum monthly mean streamflow recorded?

In general, at what time of the year are streamflows at their maximum?

The Padilla Bay National Estuarine Research Reserve is located in the Salish Sea near Mount Vernon, Washington. The Salish Sea is a large estuary fed by many fresh water sources including the Fraser and Skagit Rivers. What was the longest period of time since 1950 that the peak flow from the Skagit River did not reach 100,000 cubic feet per second?

Hints:

If you don’t enter a county in the fourth step (above) the program will return a list of all stream stations in the specified state.

Consider selecting one of the other options under the “Available data for this site” pulldown menu instead of “Surface-water: Daily streamflow.”